Specifications
- Reference
- MB131274
- Family
- Montblanc
- Category
- Classic
- Status
- Current
- Case material
- Stainless steel
- Case diameter
- 40 mm
- Case thickness
- 8.57 mm Official
- Lug-to-lug
- —
- Lug width
- 20 mm Official
- Water resistance
- 30 m
- Bezel
- —
- Calibre
- Automatic · calibre not named by the brand
Official product page · retrieved October 20, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 8.57 mm | Official | Montblanc Published as the case height. | October 20, 2026 |
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 20 mm | Official | Montblanc | October 20, 2026 |
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other Montblanc references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Montblanc Tradition Automatic Date 32 mm MB132317 | 32 mm | 8.63 mm | — | — |
Other Montblanc models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Montblanc Star Legacy Automatic Day & Date 39 mm MB128686 | 39 mm | 10.29 mm | — | MB 24.28 |
| Minerva The Unveiled Crownless 41.5 mm MB137544 | 41.5 mm | 11.99 mm | — | MB 15.08 |
| Montblanc Star Legacy Automatic Date 42 mm MB128681 | 42 mm | 10.6 mm | — | MB 24.17 |
| Montblanc Star Legacy Full Calendar 42 mm MB128676 | 42 mm | 11.38 mm | — | MB 24.30 |
| Montblanc Star Legacy Moonphase 42 mm MB134297 | 42 mm | 11.38 mm | — | MB 24.31 |
| Montblanc 1858 Automatic Date 0 Oxygen 41 mm MB134339 | 41 mm | 11.3 mm | — | MB 24.17 |